[SR-Users] Regular exepression issue in permissions module

[Paulo Ferreira]

Hi,

On Fri, 2018-02-09 at 14:27 +0100, Daniel-Constantin Mierla wrote:
> 
> On 09.02.18 14:19, Paulo Ferreira wrote:
> > On Fri, 2018-02-09 at 13:36 +0100, Daniel-Constantin Mierla wrote:
> > > Hello,
> > > 
> > > 
> > > On 09.02.18 12:25, Paulo Ferreira wrote:
> > > > Hi list,
> > > > I'm testing permissions module with kamailio 5.1.1 and I was
> > > > struggling
> > > > with regular expressions in trusted requests part of module.
> > > > 
> > > > I noticed that 9[0-9]{4} doesn't work as expected so I had to
> > > > change it
> > > > for 9[0-9][0-9][0-9][0-9] to work.
> > > > 
> > > > Is it supposed to be like that? 
> > > > 
> > > > Is there other way in this module to simplify the expression
> > > > since
> > > > it
> > > > is not accepting the POSIX way?
> > > > 
> > > 
> > > it should be postfix regexp, at a matter of fact, the input is
> > > passed
> > > to
> > > the regexp implementation in libc, it is not written from scratch
> > > by
> > > kamailio. I have seen in the past some situations that a regexp
> > > didn't
> > > work as expect on various versions of operating systems.
> > > 
> > > Can you try and see if 9([0-9]){4} works?
> > 
> > I tried and didn't work.
> > 
> > > Otherwise, try with debug=3 in kamailio.cfg and see if you can
> > > spot
> > > some
> > > useful debug messages.
> > 
> > I tried before attempting to discover what was wrong with the
> > expression and no useful messages regarding this.
> > 
> 
> Can you try in kamailio.cfg:
> 
> $var(x) = "912345678";
> if($var(x) =~ "9[0-9]{4}") {
>   xlog("regexp matched\n");
> }
> 
> Same regexp library is used. If this one works, then loading the
> value
> from trusted might have some issues.


Worked as expected: 

kamailio[22093]: ERROR: <script>: regexp 9[0-9]{4} matched

So it seems something with trusted.

Regards,
PF

> 
> Cheers,
> Daniel
> 
> 
-- 
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Paulo Ferreira
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